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    <title>表头</title>
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        <tr> <th>姓名</th> <th>性别</th> <th>年龄</th> </tr>
        <tr> <td>刘德华</td> <td>男</td> <td>20</td> </tr>
        <tr> <td>张学友</td> <td>男</td> <td>56</td> </tr>
        <tr> <td>郭富城</td> <td>男</td> <td>65</td> </tr>
       
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